There are some signatures which used custom brushes as sort of a modernized graffiti effect, and even so 'till today.You must be registered for see images
This ungainly thing was the first forum tag I ever made. There's like 50 layers in there, some of them have basically nothing on them and most of the composition is just random brushes. Back then I thought brushes were the pinnacle of design and the semi-transparent, puckered check-mark thing was awesome.
I always make sure this ugly thing comes with me when I upgrade my pc, for nostalgia.